268831956122 has 4 divisors (see below), whose sum is σ = 403247934186. Its totient is φ = 134415978060.

The previous prime is 268831956097. The next prime is 268831956131. The reversal of 268831956122 is 221659138862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219081099721 + 49750856401 = 468061^2 + 223049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67207989029 + ... + 67207989032.

Almost surely, 2^268831956122 is an apocalyptic number.

268831956122 is a deficient number, since it is larger than the sum of its proper divisors (134415978064).

268831956122 is a wasteful number, since it uses less digits than its factorization.

268831956122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134415978063.

The product of its digits is 2488320, while the sum is 53.

The spelling of 268831956122 in words is "two hundred sixty-eight billion, eight hundred thirty-one million, nine hundred fifty-six thousand, one hundred twenty-two".